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The Airframer Bulletin

Rockets & Scramjets

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Every Bulletin story and press release covering Rockets & Scramjets, newest first.

51 items · page 1 of 2

2026
20 August

ReleaseUrsa Major opens new Longmont manufacturing facility

8 July

ReleaseVenus Aerospace raises $91M to mature the world's first flight-proven high-thrust RDRE into full propulsion systems

16 April

ReleaseSuccessful Mach 5 combustion experiment of hypersonic experimental aircraft

16 April

ReleaseUrsa Major achieves 10 successful Hadley engine flights, demonstrating reusable hypersonic capability

4 March

ReleaseUrsa Major rapidly advances its Hadley H13 engine

28 January

ReleaseIAN Alpha Fund invests ₹25 Crore in D-Propulse Aerospace

2025
18 November

ReleaseUrsa Major raises $100 million to scale hypersonics, solid rocket motors and space mobility

28 October

ReleaseQIC Ventures joins global defence investors to raise A$46 million for Queensland aerospace startup Hypersonix

28 October

ReleaseNRFC makes first defence sector investment of $10 million to help aerospace startup Hypersonix Launch Systems develop its next generation scramjet engines

22 October

ReleaseVenus Aerospace announces strategic investment by Lockheed Martin to accelerate breakthrough innovations in next-generation propulsion

7 August Pathfinder is designed for vertical launch and hypersonic flight using NFA’s Mjölnir rocket propulsion system.

New Frontier and AFIT advance design of hypersonic Pathfinder VTOL

The partnership will enable AFIT to conduct aerodynamic analyses to refine Pathfinder’s flight control, structure and thermal performance.

26 June A hot-fire test of NFA’s Mjölnir engine demonstrated consistent performance across multiple firings.

Mjölnir engine proves itself in successful hot fire tests

Backed by NASA and defence grants, the compact engine completed tests that will enable New Frontier Aerospace’s VTOL UAS and orbital spacecraft.

18 June

ReleaseTitans Space to revolutionize US military space capabilities, Golden Dome, and offer a 'Space Force One' for Pres. Trump

16 June

ReleaseUrsa Major awarded $32.9M contract to deliver 16 upgraded Hadley engines for Stratolaunch hypersonic test program

14 May

ReleaseVenus Aerospace completes historic U.S. hypersonic engine flight test

5 May

ReleaseUrsa Major's Hadley engine achieves sustained hypersonic speeds

1 May

ReleaseAFRL awards Ursa Major $28.6M contract for responsive space, hypersonic, and on-orbit propulsion

17 April The Venus RDRE undergoing a hot fire test.

Venus prepares NASA-backed nozzle for summer RDRE test flight

The compact nozzle design exceeded expectations during testing and will be integrated into Venus's rotating detonation rocket engine for a demonstration.

13 February A rendering of the Hellhound unmanned aircraft system, designed by Cummings Aerospace.

Cummings Aerospace and ATRX plan hypersonic UAS

The companies will integrate a high-speed turbo-rocket onto a flight-proven airframe, advancing supersonic and hypersonic drone capabilities for military applications.

12 February

ReleaseSierra Space completes test campaign on next generation Vortex 35,000 lbf fuel-rich LOX LH2 engine

22 January

ReleaseAmerica's Frontier Fund backs breakthrough hypersonic engine company Venus Aerospace

9 January

ReleaseAerolloy Technologies wins development and supply order from Blue Origin for large superalloy investment castings for New Glenn's BE-4 engines

2024
18 December

ReleaseVenus Aerospace achieves first ignition of VDR2 engine

3 October

Venus unveils groundbreaking detonation ramjet engine

The VDR2 combines the high thrust and efficiency of the Rotating Detonation Rocket Engine (RDRE) with the high efficiency cruise of a Ramjet, and will take flight in Venus' hypersonic flight test drone in 2025.

25 July

ReleaseNew R&D center in Ohio to accelerate vital national security propulsion technology

12 July

ReleaseUK MoD HTCDF contract announcement July 2024

23 June

ReleaseISRO completes its RLV technology demonstrations through LEX trio

6 May

ReleaseRocket Lab completes Archimedes engine build, begins engine test campaign

28 March The test successfully demonstrated flight controls, stability, one leg of the ultimate Rotating Detonation Rocket Engine (RDRE) propulsion system, telemetry, ground operations, and air launch.

Venus makes first flight of supersonic drone contender

The eight foot, 300lb drone was dropped at 12,000 ft and accelerated to Mach 0.9, flying for 10 miles. It was powered by a hydrogen peroxide monopropellant engine at 80% thrust in order to not exceed Mach 1.

9 March

ReleaseUrsa Major Hadley engine flies for the first time

7 March

ReleaseVenus Aerospace achieves the first long-duration engine test of their RDRE in partnership with DARPA.

2 February

ReleaseTexas-based Venus Aerospace is working with rotating-detonation propulsion technology to turn the "Stargazer" from sci-concept to Mach-9 business jet that flies at 6,900 mph

8 January

ReleaseVenus Aerospace partners with NASA's Marshall Space Flight Center on new engine technology

2023
17 August The Hypersonix DART AE Flyer.

Kratos selection establishes Hypersonix in the US

The Kratos/Hypersonix team is focused on providing a first-to-market capability, to test and demonstrate important hypersonic capabilities for U.S. Industry, the DoD and National Security.

14 June

ReleaseVenus Aerospace adds Airbus Ventures to investor team

14 June

ReleaseAirbus Ventures invests in Venus Aerospace

17 April

ReleaseHypersonix to partner with launch provider Rocket Lab for initial hypersonic test vehicle launch

13 April The Mk-II Aurora.

Dawn's spaceplane takes flight under rocket power

The Mk-II Aurora had previously been tested using surrogate jet engines, while the latest campaign was the first conducted under rocket power. All test objectives were achieved.

22 March The first DART AE test flight is scheduled for 2024.

US chooses Hypersonix for scramjet test vehicle

DART AE makes significant use of 3D-printing and is powered by a hydrogen-fuelled SPARTAN scramjet engine, capable of flying non-ballistic flight patterns at speeds of Mach 5 to Mach 7 and up to 1,000 kms in range.

21 February

ReleaseDoD's National Security Innovation Capital awards $1.5M to New Frontier Aerospace to expand hypersonic engine development

2022
3 November Rotating Detonation Rocket Engine (RDRE) mobile test stand.

Venus reports progress on hypersonic engine testing

Venus Aerospace is the first company to demonstrate one particular room-temperature storable propellant combination, which it hopes will allow hypersonic flights to go further, faster and more often.

31 August

ReleaseVelontra contracts with Venus Aerospace to deliver a propulsion system enabling airflights around the globe in one hour

4 August

ReleaseVORTEX upper stage engine achieves Critical Design milestone

18 July

ReleaseDelivering the future of UK Hypersonic capabilities

25 January

ReleaseHypersonix and Kratos sign agreement to develop and fly DART AE hypersonic drone

2019
22 October

ReleaseReaction Engines test programme fully validates precooler at hypersonic heat conditions

29 May

ReleaseOzmens’ SNC test-fires next-gen rocket engine in prep for U.S. launches

8 April

ReleaseReaction Engines test programme successfully proves precooler capability at supersonic heat conditions

14 March

ReleaseESA completes further design validation of Reaction Engine's revolutionary air breathing SABRE rocket engine

2018
11 October

ReleaseNew upper stage rocket engine a step closer to reality